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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint746,904 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureCivil worksLiesbergRené Müller AG
René Müller AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

René Müller AG is a quarrying company that extracts and processes limestone. It produces and supplies construction aggregates and stone products such as crushed stone, gravel, sand, masonry and paving stones, and provides services including landfill supervision, third‑party stone trading and transport, with sales to contractors and private customers.

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Products & services

Industry:Civil works
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4.1/5

René Müller AG

✓ Offered5
Limestone products
Limestone products for civil engineering and road construction, landscaping and garden design, bank and waterway construction, as well as retaining wall structures, slope stabilisation and small masonry walls.
Quarry operation
Quarry Bohlberg in Liesberg with extraction of limestone material, further processing at the plant and delivery of material for construction and design applications.
Transport
Transport of limestone material and products for customers in construction, landscaping and engineering structures.
Landfill supervision and control
Landfill with supervision and control, including controlled acceptance of excavated material.
Trade in third-party stone
Trade in third-party stone alongside our own limestone and stone material.
Trust & reputation

ranQ Trust Score of René Müller AG: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 96% · As of November 2026

René Müller AG scores 65.0 out of 100 points in the Reputation area of the ranQ Trust Score. This area carries 42% of the weighting.
x
CriterionValueWeight
  • Review quality: The average rating across all connected sources, smoothed against the industry mean. So 5.0 stars from three reviews do not outrank 4.7 from three hundred.73.124%
  • Review volume: The number of reviews across all sources. The scale is logarithmic: the first reviews count the most, and the maximum is reached at 50 reviews.35.310%
  • Review recency: The age of the most recent review. Two-year-old reviews deliberately sit in the middle, because that is normal for Swiss SMEs. Only after three years without a new voice does the value drop markedly.78.08%
René Müller AG scores 87.1 out of 100 points in the Substance area of the ranQ Trust Score. This area carries 28% of the weighting.
x
CriterionValueWeight
  • Establishment: Years since founding or brand launch, logarithmic. The maximum is reached at 15 years.100.012%
  • Company size: The headcount band, researched by ranQ or stated by the company. It is scored in steps rather than by head count, because the data only provides bands.55.07%
René Müller AG scores 86.7 out of 100 points in the Identity area of the ranQ Trust Score. This area carries 22% of the weighting.
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CriterionValueWeight
  • Verification: Official register entry (commercial register with UID or professional-body record, 55 points), confirmed domain (20 points) and confirmed ranQ profile (up to 25 points, depending on completeness).86.722%
René Müller AG scores 20.0 out of 100 points in the Visibility area of the ranQ Trust Score. This area carries 8% of the weighting.
x
CriterionValueWeight
  • Website authority: Ahrefs' Domain Rating measures, on a scale of 0 to 100, how strongly a website is linked from other websites. For Swiss SMEs the range up to 40 is typical; the maximum is reached at 35.20.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

René Müller AG reaches a ranQ Trust Score of 4.1 out of 5.0 — rated «High». The rating draws, among other things, on 5.0 out of 5 stars from 3 customer reviews. The data basis is 96%, so the score is backed by part of the criteria. As of November 2026.

The Trust Score cannot be bought and is calculated from publicly verifiable data.

Reviews

Aggregated rating

Aggregated rating
5
of 5

Aggregated from 3 reviews across all connected sources

Sources
GGoogle53
★TrustpilotSoon
PProvenExpertSoon

Further sources are added continuously and factored into the ranQ Rating.

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Location

Eichhölzlein 2
4253 Liesberg
Opening hours
Mon
06:45 - 12:00, 13:00 - 17:00
Tue
06:45 - 12:00, 13:00 - 17:00
Wed
06:45 - 12:00, 13:00 - 17:00
Thu
06:45 - 12:00, 13:00 - 17:00
Fri
06:45 - 12:00, 13:00 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-105.796.275
Founded
1975 · 51 years
Last commercial register change
July 24, 2025
Employees
1 to 10

Active in 1 of 26 cantons · 1 municipality

  • BLLiesberg
Legal form: Graded by liability and disclosure. The weight is kept small: a sole proprietorship is not a dubious company, it is just liable differently.
100.0
6%
  • Branch offices: Branch offices linked in the commercial register. Having none is normal and costs no points.85.03%
    • Full methodology

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